Contributors |
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xiii | |
Preface |
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xvii | |
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1 Introduction and overview to breadmaking |
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1 | (32) |
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2 | (1) |
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1.2 Wheat and its special properties |
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3 | (3) |
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1.3 Dough development-The foundation of bread quality |
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6 | (1) |
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1.4 Dough mixing-Incorporating air and developing gluten |
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7 | (5) |
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1.5 Overview of breadmaking processes |
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12 | (4) |
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16 | (3) |
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1.7 Gas bubble control during dough processing |
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19 | (1) |
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19 | (3) |
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1.9 Bread quality and the contribution of ingredients |
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22 | (3) |
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1.10 Other functional ingredients |
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25 | (1) |
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1.11 The place of improvers in modern breadmaking |
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26 | (1) |
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1.12 Nutrition and food safety |
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27 | (1) |
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1.13 Sources of further information and advice |
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28 | (1) |
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28 | (5) |
Part One Wheat and flour quality |
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2 The chemistry and biochemistry of wheat |
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33 | (48) |
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2.1 The structure and composition of the wheat kernel |
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34 | (8) |
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42 | (11) |
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53 | (15) |
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68 | (3) |
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2.5 Wheat enzymes and their roles |
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71 | (2) |
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2.6 Pigments and their structures |
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73 | (1) |
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2.7 Recent developments in wheat utilization |
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73 | (2) |
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75 | (1) |
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2.9 Sources of further information and advice |
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75 | (1) |
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76 | (5) |
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3 Techniques for analyzing wheat proteins |
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81 | (28) |
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81 | (1) |
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82 | (3) |
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3.3 Analyzing molecular properties |
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85 | (2) |
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3.4 Rheological measurements |
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87 | (1) |
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3.5 Infrared spectroscopy |
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88 | (3) |
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91 | (7) |
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3.7 Electron spin resonance spectroscopy |
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98 | (4) |
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102 | (1) |
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102 | (1) |
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103 | (6) |
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4 Wheat proteins and bread quality |
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109 | (28) |
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4.1 Introduction: Cereal protein classification |
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109 | (8) |
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4.2 Cereal proteins and breadmaking quality |
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117 | (2) |
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4.3 Prolamin structure and bread quality |
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119 | (3) |
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4.4 Soluble proteins, xylanase inhibitors, and bread quality |
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122 | (3) |
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4.5 Detergent-solubilized proteins and bread quality |
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125 | (2) |
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4.6 Genomics and the wheat grain proteome |
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127 | (3) |
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4.7 Conclusion and future trends |
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130 | (1) |
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130 | (1) |
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130 | (7) |
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5 Wheat starch structure and bread quality |
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137 | (32) |
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5.1 Introduction: The importance of starch structure to bread quality |
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137 | (1) |
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5.2 Starch properties and baking performance |
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138 | (9) |
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5.3 Physicochemical properties of starch in relation to the baking process |
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147 | (4) |
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5.4 Starch structure and chemical composition |
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151 | (8) |
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159 | (1) |
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5.6 Sources of further information and advice |
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160 | (1) |
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160 | (9) |
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6 Flour lipids, fats, and emulsifiers |
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169 | (18) |
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169 | (1) |
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6.2 Lipids, fats, oils, glycerides, and emulsifiers |
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170 | (1) |
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171 | (2) |
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173 | (5) |
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178 | (5) |
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6.6 Conclusions and future trends |
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183 | (1) |
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184 | (3) |
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7 Milling and flour quality |
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187 | (34) |
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187 | (1) |
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188 | (10) |
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198 | (2) |
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7.4 Other milling developments |
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200 | (1) |
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7.5 On-line process control |
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201 | (2) |
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7.6 Flour milling and flour quality |
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203 | (6) |
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7.7 Recent outputs from milling research |
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209 | (7) |
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7.8 The future of flour milling |
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216 | (1) |
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217 | (1) |
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217 | (1) |
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217 | (4) |
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8 Wheat quality: Wheat breeding and quality testing in Australia |
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221 | (40) |
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221 | (3) |
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8.2 History of wheat breeding in Australia |
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224 | (1) |
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8.3 Quality selection in breeding |
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225 | (5) |
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230 | (2) |
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8.5 Quality testing of breeder's lines |
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232 | (11) |
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243 | (14) |
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257 | (2) |
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259 | (2) |
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9 Improving wheat protein quality for breadmaking: The role of biotechnology |
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261 | (28) |
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262 | (1) |
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9.2 Wheat gluten proteins and dough strength |
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262 | (2) |
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9.3 HMW subunits and bread quality |
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264 | (5) |
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9.4 The genetic transformation of wheat |
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269 | (4) |
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9.5 Manipulating HMW subunit composition and dough properties |
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273 | (6) |
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9.6 Prospects for using GM to improve wheat processing quality |
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279 | (1) |
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9.7 Sources of further information and advice |
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280 | (1) |
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281 | (1) |
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281 | (8) |
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10 Acrylamide in bread and baked products |
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289 | (36) |
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290 | (1) |
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10.2 Acrylamide as an industrial and laboratory chemical, and as an environmental pollutant |
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290 | (1) |
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10.3 Discovery in food, toxicology, safety, and food safety authorities' action |
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291 | (3) |
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10.4 Dietary exposure and typical acrylamide levels in baked products |
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294 | (1) |
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10.5 Typical acrylamide levels in baked products |
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295 | (1) |
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10.6 Acrylamide formation and pathways |
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295 | (2) |
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10.7 Key factors of acrylamide formation in baked products |
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297 | (6) |
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10.8 Key studies and methods for acrylamide mitigation |
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303 | (1) |
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10.9 Acrylamide-lowering ingredients |
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304 | (5) |
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10.10 Processing and process control |
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309 | (3) |
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312 | (1) |
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312 | (1) |
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313 | (8) |
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321 | (4) |
Part Two Dough development and particular bread ingredients |
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11 Bread aeration and dough rheology: An introduction |
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325 | (48) |
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11.1 Introduction: The appeal of raised bread and the unique rheology of wheat flour doughs |
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325 | (4) |
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11.2 The history of bread aeration studies |
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329 | (3) |
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11.3 The history of dough rheology studies |
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332 | (4) |
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11.4 Methods for studying bread aeration and dough rheology |
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336 | (8) |
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11.5 Breadmaking: A series of aeration/rheology interactions |
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344 | (16) |
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11.6 The future of bread aeration and rheology research |
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360 | (1) |
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361 | (1) |
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362 | (1) |
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362 | (8) |
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370 | (3) |
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12 The molecular basis of dough rheology |
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373 | (18) |
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373 | (1) |
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12.2 Factors affecting dough rheology |
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374 | (4) |
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12.3 Polymer networks in doughs |
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378 | (3) |
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12.4 The molecular mechanism of energy storage in dough |
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381 | (4) |
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12.5 How much dough rheology can we explain? |
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385 | (1) |
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386 | (2) |
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12.7 Sources of further information and advice |
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388 | (1) |
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388 | (3) |
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13 The use of redox agents in breadmaking |
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391 | (24) |
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391 | (2) |
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13.2 The redox state in flour |
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393 | (6) |
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13.3 Redox reactions during processing |
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399 | (3) |
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402 | (8) |
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410 | (1) |
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13.6 Sources of further information and advice |
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410 | (1) |
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411 | (4) |
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14 Applications of enzymes in breadmaking |
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415 | (26) |
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415 | (1) |
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14.2 The nature of enzymes |
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416 | (1) |
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14.3 Enzyme specificity and kinetics |
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417 | (3) |
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14.4 The commercial production of enzymes |
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420 | (1) |
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14.5 Genetically modified organisms and protein engineered enzymes |
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421 | (1) |
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14.6 Enzymes used in bread and fermented products |
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422 | (12) |
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14.7 Examples of enzyme applications |
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434 | (2) |
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436 | (1) |
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14.9 Sources of further information and advice |
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437 | (1) |
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437 | (4) |
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15 The contribution of water to dough formation and bread quality |
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441 | (26) |
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15.1 Introduction to the composition and properties of water |
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441 | (4) |
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445 | (1) |
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446 | (1) |
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15.4 The water absorption capacity of flour |
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447 | (1) |
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448 | (4) |
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15.6 The impact of water postmixing |
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452 | (2) |
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454 | (2) |
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456 | (3) |
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459 | (1) |
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15.10 Moisture movement postbaking |
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460 | (2) |
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462 | (1) |
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15.12 Sources of further information and advice |
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462 | (1) |
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463 | (4) |
Part Three Bread sensory quality, shelf life, and safety |
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467 | (50) |
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467 | (2) |
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16.2 Formation of volatile compounds during bread-making |
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469 | (8) |
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16.3 Extraction and analysis of bread volatile compounds |
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477 | (9) |
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16.4 Volatile composition of bread |
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486 | (18) |
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16.5 How can bread aroma be improved? |
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504 | (4) |
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508 | (1) |
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508 | (1) |
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508 | (7) |
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515 | (2) |
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17 Applications of rheological analysis to dough and texture analysis to bread |
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517 | (24) |
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517 | (3) |
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17.2 Instrumental analysis relevant to dough |
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520 | (11) |
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17.3 Instrumental texture analysis of bread |
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531 | (7) |
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538 | (1) |
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17.5 Sources of further information and advice |
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539 | (1) |
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539 | (2) |
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18 Mold prevention in bread |
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541 | (20) |
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18.1 Introduction: The problem of molds in bread |
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541 | (2) |
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18.2 Current techniques for mold control and their limitations |
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543 | (6) |
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18.3 Developing new methods for mold control |
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549 | (8) |
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557 | (1) |
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18.5 Sources of further information and advice |
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557 | (1) |
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557 | (4) |
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561 | (28) |
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561 | (3) |
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19.2 Breadcrumb structure |
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564 | (1) |
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565 | (13) |
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578 | (1) |
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579 | (3) |
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582 | (7) |
Part Four Particular bread products |
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20 Improving the quality of bread made from partially baked, refrigerated and frozen dough |
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589 | (30) |
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589 | (4) |
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20.2 Frozen part-baked technology |
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593 | (8) |
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20.3 Nonfermented frozen dough technology |
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601 | (6) |
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20.4 Prefermented frozen dough technology |
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607 | (3) |
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20.5 Energy demand for the bake-off technologies |
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610 | (1) |
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611 | (2) |
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613 | (6) |
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21 Improved nutritional and dietary quality of breads |
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619 | (28) |
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619 | (2) |
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21.2 Nutritional value of wheat flour |
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621 | (2) |
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21.3 Nutritional changes during breadmaking |
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623 | (2) |
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21.4 Different approaches to increase the nutritional value of breads |
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625 | (9) |
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21.5 Improving bread nutritional profile: Reducing salt, fat, and sugar |
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634 | (5) |
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639 | (1) |
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640 | (6) |
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646 | (1) |
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22 The production and quality of breads made from nonwheat flours |
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647 | (44) |
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648 | (1) |
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22.2 The structure and chemistry of nonwheat grains used in breadmaking |
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648 | (3) |
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22.3 Producing nonwheat pan bread |
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651 | (1) |
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22.4 Technologies to improve nonwheat pan bread quality |
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652 | (6) |
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22.5 Traditional nonwheat bread products |
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658 | (1) |
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22.6 Flatbread making processes and technologies |
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658 | (11) |
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22.7 Research into improving nonwheat flatbread quality |
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669 | (1) |
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22.8 Nonwheat grain and flour quality issues |
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670 | (8) |
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22.9 Physical and chemical treatments of nonwheat grains and flours |
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678 | (1) |
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22.10 Nonwheat bread quality and its assessment |
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679 | (2) |
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681 | (1) |
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682 | (9) |
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23 Formulating breads for specific dietary requirements |
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691 | (30) |
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691 | (1) |
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23.2 Wheat allergy and celiac disease |
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692 | (12) |
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23.3 Glycemic index and glycemic load |
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704 | (2) |
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23.4 Bread high in dietary fiber |
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706 | (5) |
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711 | (1) |
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23.6 Sources of further information and advice |
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712 | (1) |
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712 | (9) |
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24 The future for breadmaking |
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721 | (10) |
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24.1 Breads of the future |
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721 | (3) |
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24.2 Wheat, flour, and functional ingredients |
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724 | (1) |
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24.3 The process of bread manufacture in the future |
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725 | (1) |
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24.4 Nutrition and health from bread in the future |
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726 | (1) |
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24.5 Education and training |
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727 | (1) |
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728 | (1) |
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729 | (2) |
Index |
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731 | |